SGI Class 1 Practice Questions - Saskatchewan Class 1 Commercial Driver Licence Written Exam

What is the function of the tractor protection valve in the air brake system?

It controls the steering wheel stability It protects the tractor's air supply by closing if the trailer breaks away or develops a severe air leak It filters moisture from the air compressor It limits the pressure going to the steering axle brakes

Correct Answer:

It protects the tractor's air supply by closing if the trailer breaks away or develops a severe air leak

Access more questions from this quiz

Continue to SGI Class 1 Practice Questions - Saskatchewan Class 1 Commercial Driver Licence Written Exam for more practice questions and the full quiz experience.

Access More Questions